Here's my SOP for client fulfillment - something is wrong

Hey guys, after sending out 4k+ emails, this is a little SOP I've came up with myself, refined, and is using currently. Unfortunately, this is not yielding any results at all. I'm getting more worried by the day T.T.

Step 1: Check domain health

Before anything, run your sending domains through warmy.io to make sure deliverability is solid.

Step 2: Pick a niche (go super specific)If your client doesn’t have a niche, use Perplexity to research relevant industries based on the service they offer.

Look for niches that:

Have clear pain points you can solve
Can afford to pay
Have a large enough TAM

Example: Instead of "sustainability consultants," go for "sustainability consultants in the US with 10–100 employees and $1–100M revenue"

Once done, list the top 3 niches worth testing.

Step 3: Write intro copy for the #1 niche

Research pain points and desired outcomes using Perplexity.

Highlight 2–3 that your offer directly solves.

Craft a short email that speaks to their reality and shows what your offer fixes.

Step 4: Send short cold emails to test the niche

Keep it conversational and direct.

Example:

Subject: Quick idea for ESG lead gen

{{firstName}}, I help ESG companies like {{companyName}} stop wasting 10+ hours/week chasing unqualified leads, booking 10-15 sales calls per month with decision-ready prospects.

Last month, one ESG firm closed 3 long-term clients using our approach, all from a single campaign.

Want to see the 3-email sequence that did it?

Best,

[Your name]

Step 5: Send to 500 leads and check repliesIf you’re getting 0.5%+ positive replies, stick with the niche and start refining.If not, test the second niche on your list.

Once a niche works:

Add follow-ups
Test new offers or CTAs
Drop in case studies
Tighten messaging

I've been iterating through these steps for weeks, constantly hopping niches and testing out different offers that my clients offers. 6k+ emails sent -> 1 positive reply... What do you think went wrong?

Extra info: I source leads using the Apollo/Apify combo and verify leads using MillionVerifier. Domains and mailboxes have been warmed up for 3 weeks in Instantly already.

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